I think I can safely say that I don’t know a single woman who hasn’t suffered from a little French-girl envy. It’s hard not to watch an insouciant, white-tee-and-jeans-wearing Parisian swipe on red lipstick...

The benefits of exfoliating your face—cell turnover, smaller pores, glow-y complexion, better product absorption, and so on—have been well documented. But when it comes to body exfoliation, things are a little, er, rougher. Other...